What is the difference between Apache Hadoop and RDBMS?
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Are Namenode and job tracker on the same host?
What is a checkpoint?
What are the hadoop's three configuration files?
What is a Task instance in Hadoop? Where does it run?1
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
How will format the HDFS ?
Is a job split into maps?
What are the main components of a Hadoop Application?
How can we look for the namenode in the browser?
What is keyvaluetextinputformat?
explain Metadata in Namenode?
How a task is scheduled by a jobtracker?